256520280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2137669}}^1$

素因数の和:2137683

約数の個数: 32

約数和(自身を含む): 769561200

約数和(自身を除く): 513040920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2137669, 4275338, 6413007, 8550676, 10688345, 12826014, 17101352, 21376690, 25652028, 32065035, 42753380, 51304056, 64130070, 85506760, 128260140, 256520280]

約数ペア:

[(1, 256520280), (2, 128260140), (3, 85506760), (4, 64130070), (5, 51304056), (6, 42753380), (8, 32065035), (10, 25652028), (12, 21376690), (15, 17101352), (20, 12826014), (24, 10688345), (30, 8550676), (40, 6413007), (60, 4275338), (120, 2137669)]